Model catalog

Usage cost calculator

Plug in how many million tokens you expect, pick a model (or enter rates), and see list-rate dollars. Assumptions are yours. This is not a vendor bill.

Models · Plans · Install CLI to measure real sessions

Model

Input MTok

Output MTok

Cache read MTok

Cache write MTok

Using cheapest list rates for OpenAI o4-mini Deep Research ($1.80 in / $7.20 out per MTok).

INPUT

$18

10 MTok × $1.80

OUTPUT

$14.40

2 MTok × $7.20

CACHE READ

$0.00

40 MTok × $0

CACHE WRITE

$0.00

2 MTok × $0

List-rate total for this shape

$32.40

Million tokens × published $/MTok. Cache rates use the cheapest listed cache field when the model is known; otherwise the custom rates you entered. This is not a bill and not a subscription comparison.

Real usage, not a guess

The CLI reads the session logs your harnesses already write and prices them the same way.

$ curl -fsSL https://tokenstat.ai/install.sh | bash